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"Protected Trees"(PDF). Department of Water Affairs and Forestry, Republic of South Africa. 3 May 2013. Diarsipkan dari versi asli(PDF) tanggal 5 July 2010.Parameter |url-status= yang tidak diketahui akan diabaikan (bantuan)
"Protected Trees"(PDF). Department of Water Affairs and Forestry, Republic of South Africa. 3 May 2013. Diarsipkan dari versi asli(PDF) tanggal 5 July 2010.Parameter |url-status= yang tidak diketahui akan diabaikan (bantuan)